# divisible by 5 returns "fizz"
# divisible by 3 returns "buzz"
# divisible by 3 and 5 returns "fizzbuzz"
def fizz_buzz(input):
    input = int(input)
    if (not input % 3) and (not input % 5):
        return "fizz_buzz"
    elif not input % 5:
        return "buzz"
    elif not input % 3:
        return "fizz"
    return str(input)


while True:
    print(fizz_buzz(input("enter a number ")))
